package com.cxrj.zhsq.utils;

import javax.servlet.http.HttpServletRequest;

public final class IpUtil {
	/**
	 * 获取用户真实IP地址，不使用request.getRemoteAddr()的原因是有可能用户使用了代理软件方式避免真实IP地址,
	 * 可是，如果通过了多级反向代理的话，X-Forwarded-For的值并不止一个，而是一串IP值
	 * 
	 * @return ip
	 */
	public static String getIpAddr(HttpServletRequest request) {
		// String ip = request.getHeader("x-forwarded-for");
		// System.out.println("x-forwarded-for ip: " + ip);
		// if (ip != null && ip.length() != 0 &&
		// !"unknown".equalsIgnoreCase(ip)) {
		// // 多次反向代理后会有多个ip值，第一个ip才是真实ip
		// if (ip.indexOf(",") != -1) {
		// ip = ip.split(",")[0];
		// }
		// }
		// if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
		// {
		// ip = request.getHeader("Proxy-Client-IP");
		// System.out.println("Proxy-Client-IP ip: " + ip);
		// }
		// if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
		// {
		// ip = request.getHeader("WL-Proxy-Client-IP");
		// System.out.println("WL-Proxy-Client-IP ip: " + ip);
		// }
		// if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
		// {
		// ip = request.getHeader("HTTP_CLIENT_IP");
		// System.out.println("HTTP_CLIENT_IP ip: " + ip);
		// }
		// if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
		// {
		// ip = request.getHeader("HTTP_X_FORWARDED_FOR");
		// System.out.println("HTTP_X_FORWARDED_FOR ip: " + ip);
		// }
		// if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
		// {
		// ip = request.getHeader("X-Real-IP");
		// System.out.println("X-Real-IP ip: " + ip);
		// }
		// if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
		// {
		// ip = request.getRemoteAddr();
		// System.out.println("getRemoteAddr ip: " + ip);
		// }
		return "58.51.184.8";
	}
}
